2112521552 has 20 divisors (see below), whose sum is σ = 4093726080. Its totient is φ = 1056076128.

The previous prime is 2112521531. The next prime is 2112521569. The reversal of 2112521552 is 2551252112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161099 + ... + 173717.

It is an arithmetic number, because the mean of its divisors is an integer number (204686304).

Almost surely, 2^2112521552 is an apocalyptic number.

It is an amenable number.

2112521552 is a deficient number, since it is larger than the sum of its proper divisors (1981204528).

2112521552 is a wasteful number, since it uses less digits than its factorization.

2112521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23090 (or 23084 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 2112521552 is about 45962.1752313791. The cubic root of 2112521552 is about 1283.1193354237.

Adding to 2112521552 its reverse (2551252112), we get a palindrome (4663773664).

The spelling of 2112521552 in words is "two billion, one hundred twelve million, five hundred twenty-one thousand, five hundred fifty-two".